✅ haskell: pangram

haskell/pangram/examples/success-text/package.yaml

@@ -0,0 +1,17 @@
+name: pangram
+
+dependencies:
+  - base
+  - text
+
+library:
+  exposed-modules: Pangram
+  source-dirs: src
+
+tests:
+  test:
+    main: Tests.hs
+    source-dirs: test
+    dependencies:
+      - pangram
+      - hspec

haskell/pangram/examples/success-text/src/Pangram.hs

@@ -0,0 +1,8 @@
+module Pangram (isPangram) where
+
+import           Data.Text (Text)
+import qualified Data.Text as T
+
+isPangram :: Text -> Bool
+isPangram s = all (`member` T.toLower s) ['a'..'z']
+  where member = T.any . (==)